Canada is facing another dangerous wildfire season, with burning forests sending smoke plumes across the provinces and into ...

Officials warned young children and those with respiratory illnesses to take precautions. For weeks, smoke from Canadian ...

As wildfire smoke becomes a frequent summer hazard across large parts of the US, knowing the risk at the neighborhood scale ...

State officials from Maine to New York issued alerts for fine particulate matter, a toxic byproduct of wildfires that is ...

Summer smoke from Canadian wildfires is once again hazing out Minnesota skies — just in time for your long-awaited Northwoods ...

But when smoke plumes are close to the surface, people are breathing in wildfire chemicals and tiny particles. Those particles, known as PM2.5, can get deep into the lungs and exacerbate asthma and ...

The Monroe Canyon Fire burning in Sevier County continues to grow, with Monday bringing the "hottest temperatures so far" and ...

A smoky haze wafted over parts of western Colorado on Thursday from wildfires burning in and around the state. The smoke is ...

Some smoke also may be drifting over the Tri-Cities from other fires in the area, according to the National Weather Service. The air quality remained moderate in the Tri-Cities despite the smell of ...

Leaf Rapids fire crews had to temporarily retreat from the frontlines of wildfire fighting Wednesday as one of several fires ...

Canadian wildfire smoke returns, bringing haze to Michigan. As of July 25, advisories are in effect for the U.P. and northern ...

Officials are urging residents to take precautions as wildfire smoke and extreme heat bring poor air quality and health risks ...